Definition of "filbert" [fil•bert]

• See hazel. (noun)
• See hazelnut. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "The cob nut, as they call the filbert, is very common there, grown in hedges."
• "The elder and the berberry will grow anywhere, and require no particular care in their culture; the filbert is only a variety of the common hazel, and both are generally grown on the borders of walks, where they are planted from five to ten feet apart, according as they are to be trained upright or spreading."
• "A nut having a husk which extended and came together beyond the end of the nut was called filbert, meaning beard."